Stadium: Court 09 Round: 25 Ground: Clay
| ITF - M25 Frankfurt am Main | 2021/08/09 09:00 | Lenny Hampel v Neil Oberleitner | 6-4,6-4 |
| ITF - M25 Kottingbrunn | 2021/07/21 12:10 | Neil Oberleitner v Toby Martin | 6-7,5-7 |
| ITF - M25 Telfs | 2021/07/13 07:30 | Neil Oberleitner v Ondrej Horak | 4-6,4-6 |
| ITF - M25 Telfs | 2021/07/12 07:50 | Neil Oberleitner v Jan Jermar | 6-3,6-0 |
| ITF - M15 Sibenik | 2021/04/19 08:00 | Christian Sigsgaard v Neil Oberleitner | 7-6,6-4 |
| ITF - M15 Sibenik | 2021/04/18 08:00 | Matic Dimic v Neil Oberleitner | 7-6,4-6,6-10 |
| ITF - M15 Sharm El Sheikh | 2021/04/06 08:55 | Neil Oberleitner v Adam Jones | 2-6,6-1,8-10 |
| ITF - M15 Sharm El Sheikh | 2021/04/05 11:30 | Neil Oberleitner v Emiliano Troche | 6-0,6-1 |
| ITF - M25 Velenje | 2021/07/07 11:15 | Cristian Rodriguez v Savriyan Danilov | 6-2,6-3 |
| ITF - M25 Belgrad | 2021/06/30 07:00 | Savriyan Danilov v Miljan Zekic | 4-6,2-6 |
| ITF - M15 Skopje | 2021/06/08 10:30 | Alexandar Lazarov v Savriyan Danilov | 6-1,6-2 |
| ITF - M15 Skopje | 2021/06/02 08:00 | Admir Kalender v Savriyan Danilov | 6-1,6-4 |
| ITF - M15 St Petersburg | 2021/04/18 08:55 | Savriyan Danilov v Yanki Erel | 1-6,4-6 |
| ITF - M15 St Petersburg | 2021/04/17 08:00 | Naoki Tajima v Savriyan Danilov | 4-6,2-6 |
| ITF - M15 St Petersburg | 2021/04/16 08:00 | Marat Sharipov v Savriyan Danilov | 4-6,4-6 |
| ITF - M15 St Petersburg | 2021/04/15 13:40 | Matvey Minin v Savriyan Danilov | 3-6,1-6 |